Older adults and immunocompromised people can be at higher risk for developing serious illness or death, the Oregon Health Authority said.

CACHE COUNTY, Utah ( ABC4) — Mosquitoes infected with West Nile Virus have been found in Cache County.

The mosquitoes infected with the virus were discovered in Nesconset on July 1, Suffolk County health officials said ...

Allegheny County Health Department officials announced mosquitoes collected in certain parts of the county earlier this month ...

Mosquitoes collected by the Allegheny County Health Department tested positive for West Nile virus in six areas Tuesday.

Mosquito pesticide spraying that has already taken place this week will be extended into next week for parts of La Mesa to prevent the potential spread of West Nile virus.

July 11, 2025 (San Diego County) -- San Diego County officials plan to expand and extend ultra-low volume, truck-mounted, ...

On the heels of Mobile County’s second case of the year of West Nile virus, health authorities reported Friday that mosquitoes caught in traps have tested positive for the virus.

Summer means mosquitoes, and that means a higher risk of getting West Nile virus, and while symptoms are often mild, it can present problems for older adults. This virus ...

Public health officials are warning residents after mosquito samples from two Boston neighborhoods have tested positive for ...

Two mosquito test samples taken from Hyde Park and West Roxbury have tested positive for West Nile Virus, the Boston Public ...